Viral Biorealm: Difference between revisions
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<center><font size="+3" color="#6300C6">Viral Biorealm</font | <center><font size="+3" color="#6300C6">Viral Biorealm</font> | ||
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Note: Only about 30% of the viruses below have pages. New contributions are welcome!<br><br> | Note: Only about 30% of the viruses below have pages. New contributions are welcome!<br><br> | ||
<font size="+2" color="#6300C6">Virus Classification: The Baltimore System</font></center> | |||
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==Group I. Double-stranded DNA viruses== | ==Group I. Double-stranded DNA viruses== | ||
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:[[Retroviridae]] | :[[Retroviridae]] | ||
::''Lentivirus'' | ::''Lentivirus'' | ||
:::''[[Human Immunodeficiency Virus]]'' | :::''[[Human immunodeficiency virus|Human Immunodeficiency Virus]]'' | ||
Revision as of 17:56, 13 June 2006
Student Editors:
Molly Schlemmer '08, Shrochis Karki '09, Daniel Barich '05, Ryotaro Tashiro '09
Note: Only about 30% of the viruses below have pages. New contributions are welcome!
Group I. Double-stranded DNA viruses
Replicate using host or viral DNA polymerase.
Non-enveloped bacteriophages:
Non-enveloped animal viruses:
Enveloped animal viruses:
Group II. Single-stranded DNA
Genome consists of (+) sense DNA. Requires a host DNA polymerase to generate the complementary strand. Non-enveloped.
Non-enveloped bacteriophages:
Archaeal virus:
Non-enveloped animal viruses:
Non-enveloped plant viruses:
Group III. Double-stranded RNA
Requires viral RNA-dependent RNA polymerase; usually packages the polymerase before exiting host cell.
Non-segmented, enveloped, bacteriophage:
Segmented, non-enveloped, animal and plant hosts:
Group IV. (+) Sense single-stranded RNA viruses
Require viral RNA-dependent RNA polymerase to generate (-) template for progeny (+) genome. Usually non-segmented.
Non-enveloped bacteriophages:
Non-enveloped animal and plant viruses:
Enveloped animal and plant viruses:
Group V. (-) Sense single-stranded RNA viruses
Require viral RNA-dependent RNA transcriptase.
Segmented, enveloped:
Nonsegmented, enveloped:
Segmented (+/-) strand enveloped:
Group VI. RNA Reverse Transcribing Viruses (Retroviruses)
Require viral reverse transcriptase to generate DNA copy for integration into host chromosome. Package transcriptase before exiting host cell.
- Retroviridae
- Lentivirus
Group VII. DNA Reverse Transcribing Viruses (Pararetroviruses)
DNA is transcribed to RNA intermediate; reverse-transcribed to DNA. Infects plant cells, which have cytoplasmic reverse transcriptase; or package a viral reverse transcriptase.
Non-enveloped plant viruses:
Enveloped animal viruses:
